Finding the Fourth Proportional to 1,141.38, 1,716.21 and 1,051.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.38 : 1,716.21 = 1,051.16 : x
2. Step 2: Convert to fraction form
   1,141.38/1,716.21 = 1,051.16/x
3. Step 3: Cross multiply
   1,141.38x = 1,716.21 × 1,051.16
4. Step 4: Simplify right side
   1,141.38x = 1,804,002.72
5. Step 5: Solve for x
   x = 1,804,002.72/1,141.38
6. Step 6: Final answer
   x = 1,580.55